<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

         <!-- 卡片 -->
        <el-card class="box-card">
            <el-row :gutter="20">
                <el-col :span="7"><el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                <el-button slot="append" icon="el-icon-search" @click="getUserList" ></el-button>
            </el-input></el-col>
                <el-col :span="2">
                    <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
                </el-col>
            </el-row>
                <el-table
              :data="userlist"
              style="width: 100%" border stripe>
                    <el-table-column type="index">
                    </el-table-column>
                    <el-table-column
                      prop="username"
                      label="姓名"
                      width="180">
                    </el-table-column>
                    <el-table-column
                      prop="email"
                      label="邮箱"
                      width="180">
                    </el-table-column>
                    <el-table-column
                      prop="mobile"
                      label="电话">
                    </el-table-column>
                     <el-table-column
                      prop="role_name"
                      label="角色">
                    </el-table-column>
                    <el-table-column
                      label="状态">
                      <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                        </el-switch>
                      </template>
                    </el-table-column>
                     <el-table-column
                      label="操作" width="180px">
                      <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)">
                        </el-button>

                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)">
                        </el-button>
         
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)">
                             </el-button>
                        </el-tooltip>

                      </template>
                    </el-table-column>
            </el-table>
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 2, 5, 10]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next,jumper"
                :total="total">
            </el-pagination>
        </el-card>
        <!-- 添加用户对话框 -->
        <el-dialog
            title="添加用户"
            :visible.sync="addDialogVisible"
            width="30%" @close="addDialogClosed"
            >
            <el-form ref="addFormRef" :model="addForm" :rules="addFormRules"   label-width="70px">
                <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
              <el-button @click="addDialogVisible = false">取 消</el-button>
              <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>

        <!--修改用户-->
<el-dialog
title="修改用户"
:visible.sync="editDialogVisible"
width="30%" >
<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="editForm.mobile" ></el-input>
  </el-form-item>
</el-form>
<span slot="footer" class="dialog-footer">
<el-button @click="editDialogVisible = false">取 消</el-button>
<el-button type="primary" @click="editUserInfo">确 定</el-button>
</span>
</el-dialog>

        <!-- 分配角色对话框 -->
        <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
        <div>
            <p>当前的用户: {{userInfo.username}}</p>
            <p>当前的角色: {{userInfo.role_name}}</p>
            <p>分配新角色:
               <el-select v-model="selectRoleId" placeholder="请选择">
                    <el-option
                        v-for="item in rolesList"
                        :key="item.id"
                        :label="item.roleName"
                        :value="item.id">
                    </el-option>
                </el-select>
            </p>
        </div>
        <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
    </div>
</template>

<script>
export default {
    data() {
        var checkEmail = (rule, value, callback) => {
            const regEmail = /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/

            if (regEmail.test(value)) {
            return callback()
            }
            callback(new Error('请输入正确形式的邮箱'))
        }
        var checkMobile = (rule, value, callback) => {
            const regEmail = /^1[3|4|5|7|8][0-9]{9}$/

            if (regEmail.test(value)) {
            return callback()
            }
            callback(new Error('请输入正确形式的手机'))
        }
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 2
            },
            userlist: [],
            total: 0,
            addDialogVisible: false,
            addForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            addFormRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 10, message: '用户名长度在3到10个字符之间', trigger: 'blur' }
                ],
                password: [
                     { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '用户名长度在6到15个字符之间', trigger: 'blur' }
                ],
                email: [
                     { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                     { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            editDialogVisible: false,
            editForm: {},
            editFormRules: {
                email: [
                     { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                     { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            userInfo: {},
            rolesList: [],
            setRoleDialogVisible: false,
            selectRoleId: ''
        }
    },
    created() {
        this.getUserList()
    },
    methods: {
        async getUserList() {
        const { data: res } = await this.$http.get('users', { params: this.queryInfo })
        if (res.meta.status !== 200) {
            return this.$message.error('获取用户数据失败')
        }
        this.userlist = res.data.users
        this.total = res.data.total
        },
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        async userStateChanged(userinfo) {
         const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
         if (res.meta.status !== 200) {
             userinfo.mg_state = !userinfo.mg_state
             return this.$message.error('更新用户状态失败')
         }
         this.$message.success('更新用户状态成功')
        },
        addDialogClosed() {
            this.$refs.addFormRef.resetFields()
        },
        addUser() {
            this.$refs.addFormRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.post('users', this.addForm)
                if (res.meta.status !== 201) {
                    this.$message.error('添加用户失败')
                }
                this.$message.success('添加用户成功')
                this.addDialogVisible = false
                this.getUserList()
            })
        },
        async showEditDialog(id) {
            this.editDialogVisible = true
            const { data: res } = await this.$http.get('users/' + id)
            if (res.meta.status !== 200) {
                return this.$message.error('查询用户信息失败')
            }
            this.editForm = res.data
        },
        editUserInfo() {
            this.$refs.editFormRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.put('users/' + this.editForm.id, { email: this.editForm.email,
                mobile: this.editForm.mobile })
                if (res.meta.status !== 200) {
                    return this.$message.error('更新用户信息失败')
                }
                this.editDialogVisible = false
                this.getUserList()
                this.$message.success('更新用户信息成功')
            })
        },
        async removeUserById(id) {
            const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
            }).catch(error => error)
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除')
            }
            const { data: res } = await this.$http.delete('users/' + id)
            if (res.meta.status !== 200) {
                return this.$message.error('删除失败')
            }
            this.$message.success('删除用户成功')
            this.getUserList()
        },
        async setRole(userInfo) {
            this.userInfo = userInfo
            const { data: res } = await this.$http.get('roles')
            if (res.meta.status !== 200) {
                return this.$message.error('获取角色列表失败')
            }
            this.rolesList = res.data
            this.setRoleDialogVisible = true
        },
        async saveRoleInfo() {
            if (!this.selectRoleId) {
                return this.$message.error('请选择要分配的角色')
            }
            const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRoleId })
            if (res.meta.status !== 200) {
                return this.$message.error('变更角色失败')
            }
            this.$message.success('分配角色成功')
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        setRoleDialogClosed() {
            this.selectRoleId = ''
            this.userInfo = {}
        }

    }
}
</script>

<style lang="less" scoped>
.el-breadcrumb {
    margin-bottom: 15px;
    font-size: 12px;
}
.el-card {
    box-shadow: 0 1px 1px rgba(0, 0, 0, .15);
}
</style>
